Elliott Hughes | 0f3c553 | 2012-03-30 14:51:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 17 | #include "asm_support_x86.S" |
Elliott Hughes | 5e28422 | 2012-04-04 13:38:03 -0700 | [diff] [blame] | 18 | |
Dave Allison | bbb32c2 | 2013-11-05 18:25:18 -0800 | [diff] [blame] | 19 | // For x86, the CFA is esp+4, the address above the pushed return address on the stack. |
| 20 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 21 | /* |
| 22 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 23 | * Runtime::CreateCalleeSaveMethod(kSaveAll) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 24 | */ |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 25 | MACRO2(SETUP_SAVE_ALL_CALLEE_SAVE_FRAME, got_reg, temp_reg) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 26 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 27 | PUSH esi |
| 28 | PUSH ebp |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 29 | subl MACRO_LITERAL(12), %esp // Grow stack by 3 words. |
| 30 | CFI_ADJUST_CFA_OFFSET(12) |
| 31 | SETUP_GOT_NOSAVE RAW_VAR(got_reg, 0) |
| 32 | // Load Runtime::instance_ from GOT. |
Ian Rogers | 6c480d6 | 2014-10-21 20:42:39 -0700 | [diff] [blame] | 33 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg, 0)), REG_VAR(temp_reg, 1) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 34 | movl (REG_VAR(temp_reg, 1)), REG_VAR(temp_reg, 1) |
| 35 | // Push save all callee-save method. |
| 36 | pushl RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg, 1)) |
| 37 | CFI_ADJUST_CFA_OFFSET(4) |
| 38 | // Store esp as the top quick frame. |
| 39 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 40 | // Ugly compile-time check, but we only have the preprocessor. |
| 41 | // Last +4: implicit return address pushed on stack when caller made call. |
| 42 | #if (FRAME_SIZE_SAVE_ALL_CALLEE_SAVE != 3*4 + 16 + 4) |
| 43 | #error "SAVE_ALL_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 44 | #endif |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 45 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 46 | |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 47 | /* |
| 48 | * Macro that sets up the callee save frame to conform with |
| 49 | * Runtime::CreateCalleeSaveMethod(kRefsOnly) |
| 50 | */ |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 51 | MACRO2(SETUP_REFS_ONLY_CALLEE_SAVE_FRAME, got_reg, temp_reg) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 52 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 53 | PUSH esi |
| 54 | PUSH ebp |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 55 | subl MACRO_LITERAL(12), %esp // Grow stack by 3 words. |
| 56 | CFI_ADJUST_CFA_OFFSET(12) |
| 57 | SETUP_GOT_NOSAVE VAR(got_reg, 0) |
| 58 | // Load Runtime::instance_ from GOT. |
Ian Rogers | 6c480d6 | 2014-10-21 20:42:39 -0700 | [diff] [blame] | 59 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg, 0)), REG_VAR(temp_reg, 1) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 60 | movl (REG_VAR(temp_reg, 1)), REG_VAR(temp_reg, 1) |
| 61 | // Push save all callee-save method. |
| 62 | pushl RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg, 1)) |
| 63 | CFI_ADJUST_CFA_OFFSET(4) |
| 64 | // Store esp as the top quick frame. |
| 65 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 66 | |
| 67 | // Ugly compile-time check, but we only have the preprocessor. |
| 68 | // Last +4: implicit return address pushed on stack when caller made call. |
| 69 | #if (FRAME_SIZE_REFS_ONLY_CALLEE_SAVE != 3*4 + 16 + 4) |
| 70 | #error "REFS_ONLY_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 71 | #endif |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 72 | END_MACRO |
| 73 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 74 | MACRO0(RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME) |
Ian Rogers | 47d00c0 | 2014-04-16 17:33:27 -0700 | [diff] [blame] | 75 | addl MACRO_LITERAL(16), %esp // Unwind stack up to saved values |
Andreas Gampe | bf6b92a | 2014-03-05 16:11:04 -0800 | [diff] [blame] | 76 | CFI_ADJUST_CFA_OFFSET(-16) |
Mathieu Chartier | 2a6c7b7 | 2013-10-16 11:16:33 -0700 | [diff] [blame] | 77 | POP ebp // Restore callee saves (ebx is saved/restored by the upcall) |
| 78 | POP esi |
| 79 | POP edi |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 80 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 81 | |
| 82 | /* |
| 83 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 84 | * Runtime::CreateCalleeSaveMethod(kRefsAndArgs) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 85 | */ |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 86 | MACRO2(SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME, got_reg, temp_reg) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 87 | PUSH edi // Save callee saves |
| 88 | PUSH esi |
| 89 | PUSH ebp |
| 90 | PUSH ebx // Save args |
| 91 | PUSH edx |
| 92 | PUSH ecx |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 93 | // Create space for FPR args. |
| 94 | subl MACRO_LITERAL(4 * 8), %esp |
| 95 | CFI_ADJUST_CFA_OFFSET(4 * 8) |
| 96 | // Save FPRs. |
| 97 | movsd %xmm0, 0(%esp) |
| 98 | movsd %xmm1, 8(%esp) |
| 99 | movsd %xmm2, 16(%esp) |
| 100 | movsd %xmm3, 24(%esp) |
| 101 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 102 | SETUP_GOT_NOSAVE VAR(got_reg, 0) |
| 103 | // Load Runtime::instance_ from GOT. |
Ian Rogers | 6c480d6 | 2014-10-21 20:42:39 -0700 | [diff] [blame] | 104 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg, 0)), REG_VAR(temp_reg, 1) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 105 | movl (REG_VAR(temp_reg, 1)), REG_VAR(temp_reg, 1) |
| 106 | // Push save all callee-save method. |
| 107 | pushl RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg, 1)) |
| 108 | CFI_ADJUST_CFA_OFFSET(4) |
| 109 | // Store esp as the stop quick frame. |
| 110 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 111 | |
| 112 | // Ugly compile-time check, but we only have the preprocessor. |
| 113 | // Last +4: implicit return address pushed on stack when caller made call. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 114 | #if (FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE != 7*4 + 4*8 + 4) |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 115 | #error "REFS_AND_ARGS_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 116 | #endif |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 117 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 118 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 119 | /* |
| 120 | * Macro that sets up the callee save frame to conform with |
| 121 | * Runtime::CreateCalleeSaveMethod(kRefsAndArgs) where the method is passed in EAX. |
| 122 | */ |
| 123 | MACRO0(SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME_WITH_METHOD_IN_EAX) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 124 | // Save callee and GPR args, mixed together to agree with core spills bitmap. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 125 | PUSH edi // Save callee saves |
| 126 | PUSH esi |
| 127 | PUSH ebp |
| 128 | PUSH ebx // Save args |
| 129 | PUSH edx |
| 130 | PUSH ecx |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 131 | |
| 132 | // Create space for FPR args. |
| 133 | subl MACRO_LITERAL(32), %esp |
| 134 | CFI_ADJUST_CFA_OFFSET(32) |
| 135 | |
| 136 | // Save FPRs. |
| 137 | movsd %xmm0, 0(%esp) |
| 138 | movsd %xmm1, 8(%esp) |
| 139 | movsd %xmm2, 16(%esp) |
| 140 | movsd %xmm3, 24(%esp) |
| 141 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 142 | PUSH eax // Store the ArtMethod reference at the bottom of the stack. |
| 143 | // Store esp as the stop quick frame. |
| 144 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
| 145 | END_MACRO |
| 146 | |
| 147 | MACRO0(RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 148 | // Restore FPRs. EAX is still on the stack. |
| 149 | movsd 4(%esp), %xmm0 |
| 150 | movsd 12(%esp), %xmm1 |
| 151 | movsd 20(%esp), %xmm2 |
| 152 | movsd 28(%esp), %xmm3 |
| 153 | |
| 154 | addl MACRO_LITERAL(36), %esp // Remove FPRs and EAX. |
| 155 | CFI_ADJUST_CFA_OFFSET(-36) |
| 156 | |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 157 | POP ecx // Restore args except eax |
| 158 | POP edx |
| 159 | POP ebx |
| 160 | POP ebp // Restore callee saves |
| 161 | POP esi |
| 162 | POP edi |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 163 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 164 | |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 165 | // Restore register and jump to routine |
| 166 | // Inputs: EDI contains pointer to code. |
| 167 | // Notes: Need to pop EAX too (restores Method*) |
| 168 | MACRO0(RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME_AND_JUMP) |
| 169 | POP eax // Restore Method* |
| 170 | |
| 171 | // Restore FPRs. |
| 172 | movsd 0(%esp), %xmm0 |
| 173 | movsd 8(%esp), %xmm1 |
| 174 | movsd 16(%esp), %xmm2 |
| 175 | movsd 24(%esp), %xmm3 |
| 176 | |
| 177 | addl MACRO_LITERAL(32), %esp // Remove FPRs. |
| 178 | CFI_ADJUST_CFA_OFFSET(-32) |
| 179 | |
| 180 | POP ecx // Restore args except eax |
| 181 | POP edx |
| 182 | POP ebx |
| 183 | POP ebp // Restore callee saves |
| 184 | POP esi |
| 185 | xchgl 0(%esp),%edi // restore EDI and place code pointer as only value on stack |
| 186 | ret |
| 187 | END_MACRO |
| 188 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 189 | /* |
| 190 | * Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending |
| 191 | * exception is Thread::Current()->exception_. |
| 192 | */ |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 193 | MACRO0(DELIVER_PENDING_EXCEPTION) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 194 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save callee saves for throw |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 195 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 196 | subl MACRO_LITERAL(12), %esp // Alignment padding |
| 197 | CFI_ADJUST_CFA_OFFSET(12) |
| 198 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 199 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 200 | call SYMBOL(artDeliverPendingExceptionFromCode) // artDeliverPendingExceptionFromCode(Thread*) |
| 201 | int3 // unreached |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 202 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 203 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 204 | MACRO2(NO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 205 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 206 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 207 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 208 | subl MACRO_LITERAL(12), %esp // alignment padding |
| 209 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 210 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 211 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 212 | call VAR(cxx_name, 1) // cxx_name(Thread*) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 213 | int3 // unreached |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 214 | END_FUNCTION RAW_VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 215 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 216 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 217 | MACRO2(ONE_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 218 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 219 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 220 | mov %esp, %ecx |
| 221 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 222 | subl MACRO_LITERAL(8), %esp // alignment padding |
| 223 | CFI_ADJUST_CFA_OFFSET(8) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 224 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 225 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 226 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 227 | call VAR(cxx_name, 1) // cxx_name(arg1, Thread*) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 228 | int3 // unreached |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 229 | END_FUNCTION RAW_VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 230 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 231 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 232 | MACRO2(TWO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 233 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 234 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 235 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 236 | PUSH eax // alignment padding |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 237 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 238 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 239 | PUSH ecx // pass arg2 |
| 240 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 241 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, Thread*) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 242 | int3 // unreached |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 243 | END_FUNCTION RAW_VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 244 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 245 | |
| 246 | /* |
| 247 | * Called by managed code to create and deliver a NullPointerException. |
| 248 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 249 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_null_pointer_exception, artThrowNullPointerExceptionFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 250 | |
| 251 | /* |
| 252 | * Called by managed code to create and deliver an ArithmeticException. |
| 253 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 254 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_div_zero, artThrowDivZeroFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 255 | |
| 256 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 257 | * Called by managed code to create and deliver a StackOverflowError. |
| 258 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 259 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_stack_overflow, artThrowStackOverflowFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 260 | |
| 261 | /* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 262 | * Called by managed code, saves callee saves and then calls artThrowException |
| 263 | * that will place a mock Method* at the bottom of the stack. Arg1 holds the exception. |
| 264 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 265 | ONE_ARG_RUNTIME_EXCEPTION art_quick_deliver_exception, artDeliverExceptionFromCode |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 266 | |
| 267 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 268 | * Called by managed code to create and deliver a NoSuchMethodError. |
| 269 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 270 | ONE_ARG_RUNTIME_EXCEPTION art_quick_throw_no_such_method, artThrowNoSuchMethodFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 271 | |
| 272 | /* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 273 | * Called by managed code to create and deliver an ArrayIndexOutOfBoundsException. Arg1 holds |
| 274 | * index, arg2 holds limit. |
| 275 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 276 | TWO_ARG_RUNTIME_EXCEPTION art_quick_throw_array_bounds, artThrowArrayBoundsFromCode |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 277 | |
| 278 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 279 | * All generated callsites for interface invokes and invocation slow paths will load arguments |
| 280 | * as usual - except instead of loading arg0/r0 with the target Method*, arg0/r0 will contain |
| 281 | * the method_idx. This wrapper will save arg1-arg3, load the caller's Method*, align the |
| 282 | * stack and call the appropriate C helper. |
| 283 | * NOTE: "this" is first visible argument of the target, and so can be found in arg1/r1. |
| 284 | * |
| 285 | * The helper will attempt to locate the target and return a 64-bit result in r0/r1 consisting |
| 286 | * of the target Method* in r0 and method->code_ in r1. |
| 287 | * |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 288 | * If unsuccessful, the helper will return null/null will bea pending exception in the |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 289 | * thread and we branch to another stub to deliver it. |
| 290 | * |
| 291 | * On success this wrapper will restore arguments and *jump* to the target, leaving the lr |
| 292 | * pointing back to the original caller. |
| 293 | */ |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 294 | MACRO2(INVOKE_TRAMPOLINE, c_name, cxx_name) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 295 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 296 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, ebx |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 297 | movl %esp, %edx // remember SP |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 298 | |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 299 | // Outgoing argument set up |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 300 | subl MACRO_LITERAL(12), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 301 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 302 | PUSH edx // pass SP |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 303 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 304 | CFI_ADJUST_CFA_OFFSET(4) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 305 | pushl 32+32(%edx) // pass caller Method* |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 306 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 307 | PUSH ecx // pass arg2 |
| 308 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 309 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, arg3, Thread*, SP) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 310 | movl %edx, %edi // save code pointer in EDI |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 311 | addl MACRO_LITERAL(36), %esp // Pop arguments skip eax |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 312 | CFI_ADJUST_CFA_OFFSET(-36) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 313 | |
| 314 | // Restore FPRs. |
| 315 | movsd 0(%esp), %xmm0 |
| 316 | movsd 8(%esp), %xmm1 |
| 317 | movsd 16(%esp), %xmm2 |
| 318 | movsd 24(%esp), %xmm3 |
| 319 | |
| 320 | // Remove space for FPR args. |
| 321 | addl MACRO_LITERAL(4 * 8), %esp |
| 322 | CFI_ADJUST_CFA_OFFSET(-4 * 8) |
| 323 | |
Dave Allison | bbb32c2 | 2013-11-05 18:25:18 -0800 | [diff] [blame] | 324 | POP ecx // Restore args except eax |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 325 | POP edx |
| 326 | POP ebx |
Dave Allison | bbb32c2 | 2013-11-05 18:25:18 -0800 | [diff] [blame] | 327 | POP ebp // Restore callee saves |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 328 | POP esi |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 329 | // Swap EDI callee save with code pointer. |
| 330 | xchgl %edi, (%esp) |
| 331 | testl %eax, %eax // Branch forward if exception pending. |
| 332 | jz 1f |
| 333 | // Tail call to intended method. |
| 334 | ret |
| 335 | 1: |
jeffhao | 20b5c6c | 2012-05-21 14:15:18 -0700 | [diff] [blame] | 336 | addl MACRO_LITERAL(4), %esp // Pop code pointer off stack |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 337 | CFI_ADJUST_CFA_OFFSET(-4) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 338 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 339 | END_FUNCTION RAW_VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 340 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 341 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 342 | INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline, artInvokeInterfaceTrampoline |
| 343 | INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline_with_access_check, artInvokeInterfaceTrampolineWithAccessCheck |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 344 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 345 | INVOKE_TRAMPOLINE art_quick_invoke_static_trampoline_with_access_check, artInvokeStaticTrampolineWithAccessCheck |
| 346 | INVOKE_TRAMPOLINE art_quick_invoke_direct_trampoline_with_access_check, artInvokeDirectTrampolineWithAccessCheck |
| 347 | INVOKE_TRAMPOLINE art_quick_invoke_super_trampoline_with_access_check, artInvokeSuperTrampolineWithAccessCheck |
| 348 | INVOKE_TRAMPOLINE art_quick_invoke_virtual_trampoline_with_access_check, artInvokeVirtualTrampolineWithAccessCheck |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 349 | |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 350 | /* |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 351 | * Helper for quick invocation stub to set up XMM registers. |
| 352 | * Increments shorty and arg_array and clobbers temp_char. |
| 353 | * Branches to finished if it encounters the end of the shorty. |
| 354 | */ |
| 355 | MACRO5(LOOP_OVER_SHORTY_LOADING_XMMS, xmm_reg, shorty, arg_array, temp_char, finished) |
| 356 | 1: // LOOP |
| 357 | movb (REG_VAR(shorty, 1)), REG_VAR(temp_char, 3) // temp_char := *shorty |
| 358 | addl MACRO_LITERAL(1), REG_VAR(shorty, 1) // shorty++ |
| 359 | cmpb MACRO_LITERAL(0), REG_VAR(temp_char, 3) // if (temp_char == '\0') |
| 360 | je RAW_VAR(finished, 4) // goto finished |
| 361 | cmpb MACRO_LITERAL(68), REG_VAR(temp_char, 3) // if (temp_char == 'D') |
| 362 | je 2f // goto FOUND_DOUBLE |
| 363 | cmpb MACRO_LITERAL(70), REG_VAR(temp_char, 3) // if (temp_char == 'F') |
| 364 | je 3f // goto FOUND_FLOAT |
| 365 | addl MACRO_LITERAL(4), REG_VAR(arg_array, 2) // arg_array++ |
| 366 | // Handle extra space in arg array taken by a long. |
| 367 | cmpb MACRO_LITERAL(74), REG_VAR(temp_char, 3) // if (temp_char != 'J') |
| 368 | jne 1b // goto LOOP |
| 369 | addl MACRO_LITERAL(4), REG_VAR(arg_array, 2) // arg_array++ |
| 370 | jmp 1b // goto LOOP |
| 371 | 2: // FOUND_DOUBLE |
| 372 | movsd (REG_VAR(arg_array, 2)), REG_VAR(xmm_reg, 0) |
| 373 | addl MACRO_LITERAL(8), REG_VAR(arg_array, 2) // arg_array+=2 |
| 374 | jmp 4f |
| 375 | 3: // FOUND_FLOAT |
| 376 | movss (REG_VAR(arg_array, 2)), REG_VAR(xmm_reg, 0) |
| 377 | addl MACRO_LITERAL(4), REG_VAR(arg_array, 2) // arg_array++ |
| 378 | 4: |
| 379 | END_MACRO |
| 380 | |
| 381 | /* |
| 382 | * Helper for quick invocation stub to set up GPR registers. |
| 383 | * Increments shorty and arg_array, and returns the current short character in |
| 384 | * temp_char. Branches to finished if it encounters the end of the shorty. |
| 385 | */ |
| 386 | MACRO4(SKIP_OVER_FLOATS, shorty, arg_array, temp_char, finished) |
| 387 | 1: // LOOP: |
| 388 | movb (REG_VAR(shorty, 0)), REG_VAR(temp_char, 2) // temp_char := *shorty |
| 389 | addl MACRO_LITERAL(1), REG_VAR(shorty, 0) // shorty++ |
| 390 | cmpb MACRO_LITERAL(0), REG_VAR(temp_char, 2) // if (temp_char == '\0') |
| 391 | je RAW_VAR(finished, 3) // goto finished |
| 392 | cmpb MACRO_LITERAL(70), REG_VAR(temp_char, 2) // if (temp_char == 'F') |
| 393 | je 3f // goto SKIP_FLOAT |
| 394 | cmpb MACRO_LITERAL(68), REG_VAR(temp_char, 2) // if (temp_char == 'D') |
| 395 | je 4f // goto SKIP_DOUBLE |
| 396 | jmp 5f // goto end |
| 397 | 3: // SKIP_FLOAT |
| 398 | addl MACRO_LITERAL(4), REG_VAR(arg_array, 1) // arg_array++ |
| 399 | jmp 1b // goto LOOP |
| 400 | 4: // SKIP_DOUBLE |
| 401 | addl MACRO_LITERAL(8), REG_VAR(arg_array, 1) // arg_array+=2 |
| 402 | jmp 1b // goto LOOP |
| 403 | 5: |
| 404 | END_MACRO |
| 405 | |
| 406 | /* |
| 407 | * Quick invocation stub (non-static). |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 408 | * On entry: |
| 409 | * [sp] = return address |
| 410 | * [sp + 4] = method pointer |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 411 | * [sp + 8] = argument array or null for no argument methods |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 412 | * [sp + 12] = size of argument array in bytes |
| 413 | * [sp + 16] = (managed) thread pointer |
| 414 | * [sp + 20] = JValue* result |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 415 | * [sp + 24] = shorty |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 416 | */ |
| 417 | DEFINE_FUNCTION art_quick_invoke_stub |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 418 | // Save the non-volatiles. |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 419 | PUSH ebp // save ebp |
| 420 | PUSH ebx // save ebx |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 421 | PUSH esi // save esi |
| 422 | PUSH edi // save edi |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 423 | // Set up argument XMM registers. |
| 424 | mov 24+16(%esp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 425 | addl LITERAL(1), %esi |
| 426 | mov 8+16(%esp), %edi // EDI := arg_array + 4 ; ie skip this pointer. |
| 427 | addl LITERAL(4), %edi |
| 428 | // Clobbers ESI, EDI, EAX. |
| 429 | LOOP_OVER_SHORTY_LOADING_XMMS xmm0, esi, edi, al, .Lxmm_setup_finished |
| 430 | LOOP_OVER_SHORTY_LOADING_XMMS xmm1, esi, edi, al, .Lxmm_setup_finished |
| 431 | LOOP_OVER_SHORTY_LOADING_XMMS xmm2, esi, edi, al, .Lxmm_setup_finished |
| 432 | LOOP_OVER_SHORTY_LOADING_XMMS xmm3, esi, edi, al, .Lxmm_setup_finished |
| 433 | .balign 16 |
| 434 | .Lxmm_setup_finished: |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 435 | mov %esp, %ebp // copy value of stack pointer into base pointer |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 436 | CFI_DEF_CFA_REGISTER(ebp) |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 437 | mov 28(%ebp), %ebx // get arg array size |
| 438 | // reserve space for return addr, method*, ebx, ebp, esi, and edi in frame |
| 439 | addl LITERAL(36), %ebx |
| 440 | // align frame size to 16 bytes |
| 441 | andl LITERAL(0xFFFFFFF0), %ebx |
| 442 | subl LITERAL(20), %ebx // remove space for return address, ebx, ebp, esi and edi |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 443 | subl %ebx, %esp // reserve stack space for argument array |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 444 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 445 | movl LITERAL(0), (%esp) // store null for method* |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 446 | |
| 447 | // Copy arg array into stack. |
| 448 | movl 28(%ebp), %ecx // ECX = size of args |
| 449 | movl 24(%ebp), %esi // ESI = argument array |
| 450 | leal 4(%esp), %edi // EDI = just after Method* in stack arguments |
| 451 | rep movsb // while (ecx--) { *edi++ = *esi++ } |
| 452 | |
| 453 | mov 40(%ebp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 454 | addl LITERAL(1), %esi |
| 455 | mov 24(%ebp), %edi // EDI := arg_array |
| 456 | mov 0(%edi), %ecx // ECX := this pointer |
| 457 | addl LITERAL(4), %edi // EDI := arg_array + 4 ; ie skip this pointer. |
| 458 | |
| 459 | // Enumerate the possible cases for loading GPRS. |
| 460 | // edx (and maybe ebx): |
| 461 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished |
| 462 | cmpb LITERAL(74), %al // if (al == 'J') goto FOUND_LONG |
| 463 | je .LfirstLong |
| 464 | // Must be an integer value. |
| 465 | movl (%edi), %edx |
| 466 | addl LITERAL(4), %edi // arg_array++ |
| 467 | |
| 468 | // Now check ebx |
| 469 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished |
Mark Mendell | 3e6a3bf | 2015-01-19 14:09:22 -0500 | [diff] [blame] | 470 | // Must be first word of a long, or an integer. First word of long doesn't |
| 471 | // go into EBX, but can be loaded there anyways, as it is harmless. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 472 | movl (%edi), %ebx |
| 473 | jmp .Lgpr_setup_finished |
| 474 | .LfirstLong: |
| 475 | movl (%edi), %edx |
| 476 | movl 4(%edi), %ebx |
| 477 | // Nothing left to load. |
| 478 | .Lgpr_setup_finished: |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 479 | mov 20(%ebp), %eax // move method pointer into eax |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 480 | call *MIRROR_ART_METHOD_QUICK_CODE_OFFSET_32(%eax) // call the method |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 481 | mov %ebp, %esp // restore stack pointer |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 482 | CFI_DEF_CFA_REGISTER(esp) |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 483 | POP edi // pop edi |
| 484 | POP esi // pop esi |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 485 | POP ebx // pop ebx |
| 486 | POP ebp // pop ebp |
| 487 | mov 20(%esp), %ecx // get result pointer |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 488 | mov %eax, (%ecx) // store the result assuming its a long, int or Object* |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 489 | mov %edx, 4(%ecx) // store the other half of the result |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 490 | mov 24(%esp), %edx // get the shorty |
| 491 | cmpb LITERAL(68), (%edx) // test if result type char == 'D' |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 492 | je .Lreturn_double_quick |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 493 | cmpb LITERAL(70), (%edx) // test if result type char == 'F' |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 494 | je .Lreturn_float_quick |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 495 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 496 | .Lreturn_double_quick: |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 497 | movsd %xmm0, (%ecx) // store the floating point result |
| 498 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 499 | .Lreturn_float_quick: |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 500 | movss %xmm0, (%ecx) // store the floating point result |
| 501 | ret |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 502 | END_FUNCTION art_quick_invoke_stub |
| 503 | |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 504 | /* |
| 505 | * Quick invocation stub (static). |
| 506 | * On entry: |
| 507 | * [sp] = return address |
| 508 | * [sp + 4] = method pointer |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 509 | * [sp + 8] = argument array or null for no argument methods |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 510 | * [sp + 12] = size of argument array in bytes |
| 511 | * [sp + 16] = (managed) thread pointer |
| 512 | * [sp + 20] = JValue* result |
| 513 | * [sp + 24] = shorty |
| 514 | */ |
| 515 | DEFINE_FUNCTION art_quick_invoke_static_stub |
| 516 | // Save the non-volatiles. |
| 517 | PUSH ebp // save ebp |
| 518 | PUSH ebx // save ebx |
| 519 | PUSH esi // save esi |
| 520 | PUSH edi // save edi |
| 521 | // Set up argument XMM registers. |
| 522 | mov 24+16(%esp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 523 | addl LITERAL(1), %esi |
| 524 | mov 8+16(%esp), %edi // EDI := arg_array |
| 525 | // Clobbers ESI, EDI, EAX. |
| 526 | LOOP_OVER_SHORTY_LOADING_XMMS xmm0, esi, edi, al, .Lxmm_setup_finished2 |
| 527 | LOOP_OVER_SHORTY_LOADING_XMMS xmm1, esi, edi, al, .Lxmm_setup_finished2 |
| 528 | LOOP_OVER_SHORTY_LOADING_XMMS xmm2, esi, edi, al, .Lxmm_setup_finished2 |
| 529 | LOOP_OVER_SHORTY_LOADING_XMMS xmm3, esi, edi, al, .Lxmm_setup_finished2 |
| 530 | .balign 16 |
| 531 | .Lxmm_setup_finished2: |
| 532 | mov %esp, %ebp // copy value of stack pointer into base pointer |
| 533 | CFI_DEF_CFA_REGISTER(ebp) |
| 534 | mov 28(%ebp), %ebx // get arg array size |
| 535 | // reserve space for return addr, method*, ebx, ebp, esi, and edi in frame |
| 536 | addl LITERAL(36), %ebx |
| 537 | // align frame size to 16 bytes |
| 538 | andl LITERAL(0xFFFFFFF0), %ebx |
| 539 | subl LITERAL(20), %ebx // remove space for return address, ebx, ebp, esi and edi |
| 540 | subl %ebx, %esp // reserve stack space for argument array |
| 541 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 542 | movl LITERAL(0), (%esp) // store null for method* |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 543 | |
| 544 | // Copy arg array into stack. |
| 545 | movl 28(%ebp), %ecx // ECX = size of args |
| 546 | movl 24(%ebp), %esi // ESI = argument array |
| 547 | leal 4(%esp), %edi // EDI = just after Method* in stack arguments |
| 548 | rep movsb // while (ecx--) { *edi++ = *esi++ } |
| 549 | |
| 550 | mov 40(%ebp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 551 | addl LITERAL(1), %esi |
| 552 | mov 24(%ebp), %edi // EDI := arg_array |
| 553 | |
| 554 | // Enumerate the possible cases for loading GPRS. |
| 555 | // ecx (and maybe edx) |
| 556 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
| 557 | cmpb LITERAL(74), %al // if (al == 'J') goto FOUND_LONG |
| 558 | je .LfirstLong2 |
| 559 | // Must be an integer value. Load into ECX. |
| 560 | movl (%edi), %ecx |
| 561 | addl LITERAL(4), %edi // arg_array++ |
| 562 | |
| 563 | // Now check edx (and maybe ebx). |
| 564 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
| 565 | cmpb LITERAL(74), %al // if (al == 'J') goto FOUND_LONG |
| 566 | je .LSecondLong2 |
| 567 | // Must be an integer. Load into EDX. |
| 568 | movl (%edi), %edx |
| 569 | addl LITERAL(4), %edi // arg_array++ |
| 570 | |
| 571 | // Is there anything for ebx? |
| 572 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
Mark Mendell | 3e6a3bf | 2015-01-19 14:09:22 -0500 | [diff] [blame] | 573 | // Must be first word of a long, or an integer. First word of long doesn't |
| 574 | // go into EBX, but can be loaded there anyways, as it is harmless. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 575 | movl (%edi), %ebx |
| 576 | jmp .Lgpr_setup_finished2 |
| 577 | .LSecondLong2: |
| 578 | // EDX:EBX is long. That is all. |
| 579 | movl (%edi), %edx |
| 580 | movl 4(%edi), %ebx |
| 581 | jmp .Lgpr_setup_finished2 |
| 582 | .LfirstLong2: |
| 583 | // ECX:EDX is a long |
| 584 | movl (%edi), %ecx |
| 585 | movl 4(%edi), %edx |
| 586 | addl LITERAL(8), %edi // arg_array += 2 |
| 587 | |
| 588 | // Anything for EBX? |
| 589 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
Mark Mendell | 3e6a3bf | 2015-01-19 14:09:22 -0500 | [diff] [blame] | 590 | // Must be first word of a long, or an integer. First word of long doesn't |
| 591 | // go into EBX, but can be loaded there anyways, as it is harmless. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 592 | movl (%edi), %ebx |
| 593 | jmp .Lgpr_setup_finished2 |
| 594 | // Nothing left to load. |
| 595 | .Lgpr_setup_finished2: |
| 596 | mov 20(%ebp), %eax // move method pointer into eax |
| 597 | call *MIRROR_ART_METHOD_QUICK_CODE_OFFSET_32(%eax) // call the method |
| 598 | mov %ebp, %esp // restore stack pointer |
| 599 | CFI_DEF_CFA_REGISTER(esp) |
| 600 | POP edi // pop edi |
| 601 | POP esi // pop esi |
| 602 | POP ebx // pop ebx |
| 603 | POP ebp // pop ebp |
| 604 | mov 20(%esp), %ecx // get result pointer |
| 605 | mov %eax, (%ecx) // store the result assuming its a long, int or Object* |
| 606 | mov %edx, 4(%ecx) // store the other half of the result |
| 607 | mov 24(%esp), %edx // get the shorty |
| 608 | cmpb LITERAL(68), (%edx) // test if result type char == 'D' |
| 609 | je .Lreturn_double_quick2 |
| 610 | cmpb LITERAL(70), (%edx) // test if result type char == 'F' |
| 611 | je .Lreturn_float_quick2 |
| 612 | ret |
| 613 | .Lreturn_double_quick2: |
| 614 | movsd %xmm0, (%ecx) // store the floating point result |
| 615 | ret |
| 616 | .Lreturn_float_quick2: |
| 617 | movss %xmm0, (%ecx) // store the floating point result |
| 618 | ret |
| 619 | END_FUNCTION art_quick_invoke_static_stub |
| 620 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 621 | MACRO3(NO_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 622 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 623 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 624 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 625 | subl MACRO_LITERAL(12), %esp // push padding |
| 626 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 627 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 628 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 629 | call VAR(cxx_name, 1) // cxx_name(Thread*) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 630 | addl MACRO_LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 631 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 632 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 633 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 634 | END_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 635 | END_MACRO |
| 636 | |
| 637 | MACRO3(ONE_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 638 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 639 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 640 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 641 | subl MACRO_LITERAL(8), %esp // push padding |
| 642 | CFI_ADJUST_CFA_OFFSET(8) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 643 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 644 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 645 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 646 | call VAR(cxx_name, 1) // cxx_name(arg1, Thread*) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 647 | addl MACRO_LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 648 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 649 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 650 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 651 | END_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 652 | END_MACRO |
| 653 | |
| 654 | MACRO3(TWO_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 655 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 656 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 657 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 658 | PUSH eax // push padding |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 659 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 660 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 661 | PUSH ecx // pass arg2 |
| 662 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 663 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, Thread*) |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 664 | addl MACRO_LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 665 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 666 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 667 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 668 | END_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 669 | END_MACRO |
| 670 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 671 | MACRO3(THREE_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 672 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 673 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 674 | // Outgoing argument set up |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 675 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 676 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 677 | PUSH edx // pass arg3 |
| 678 | PUSH ecx // pass arg2 |
| 679 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 680 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, arg3, Thread*) |
| 681 | addl MACRO_LITERAL(16), %esp // pop arguments |
| 682 | CFI_ADJUST_CFA_OFFSET(-16) |
| 683 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 684 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 685 | END_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 686 | END_MACRO |
| 687 | |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 688 | MACRO3(FOUR_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
| 689 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
| 690 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 691 | // Outgoing argument set up |
| 692 | subl MACRO_LITERAL(12), %esp // alignment padding |
| 693 | CFI_ADJUST_CFA_OFFSET(12) |
| 694 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 695 | CFI_ADJUST_CFA_OFFSET(4) |
| 696 | PUSH ebx // pass arg4 |
| 697 | PUSH edx // pass arg3 |
| 698 | PUSH ecx // pass arg2 |
| 699 | PUSH eax // pass arg1 |
| 700 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, arg3, arg4, Thread*) |
| 701 | addl MACRO_LITERAL(32), %esp // pop arguments |
| 702 | CFI_ADJUST_CFA_OFFSET(-32) |
| 703 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 704 | CALL_MACRO(return_macro, 2) // return or deliver exception |
| 705 | END_FUNCTION RAW_VAR(c_name, 0) |
| 706 | END_MACRO |
| 707 | |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 708 | MACRO3(ONE_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro) |
| 709 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 710 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 711 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 712 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %ecx // get referrer |
| 713 | PUSH eax // push padding |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 714 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 715 | CFI_ADJUST_CFA_OFFSET(4) |
| 716 | PUSH ecx // pass referrer |
| 717 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 718 | call VAR(cxx_name, 1) // cxx_name(arg1, referrer, Thread*) |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 719 | addl MACRO_LITERAL(16), %esp // pop arguments |
| 720 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 721 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 722 | CALL_MACRO(return_macro, 2) // return or deliver exception |
| 723 | END_FUNCTION RAW_VAR(c_name, 0) |
| 724 | END_MACRO |
| 725 | |
| 726 | MACRO3(TWO_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro) |
| 727 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 728 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 729 | // Outgoing argument set up |
| 730 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %edx // get referrer |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 731 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 732 | CFI_ADJUST_CFA_OFFSET(4) |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 733 | PUSH edx // pass referrer |
| 734 | PUSH ecx // pass arg2 |
| 735 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 736 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, referrer, Thread*) |
| 737 | addl MACRO_LITERAL(16), %esp // pop arguments |
| 738 | CFI_ADJUST_CFA_OFFSET(-16) |
| 739 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 740 | CALL_MACRO(return_macro, 2) // return or deliver exception |
| 741 | END_FUNCTION RAW_VAR(c_name, 0) |
| 742 | END_MACRO |
| 743 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 744 | MACRO3(THREE_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro) |
| 745 | DEFINE_FUNCTION RAW_VAR(c_name, 0) |
| 746 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 747 | // Outgoing argument set up |
| 748 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %ebx // get referrer |
Ian Rogers | 6c480d6 | 2014-10-21 20:42:39 -0700 | [diff] [blame] | 749 | subl MACRO_LITERAL(12), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 750 | CFI_ADJUST_CFA_OFFSET(12) |
| 751 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 752 | CFI_ADJUST_CFA_OFFSET(4) |
| 753 | PUSH ebx // pass referrer |
| 754 | PUSH edx // pass arg3 |
| 755 | PUSH ecx // pass arg2 |
| 756 | PUSH eax // pass arg1 |
| 757 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, arg3, referrer, Thread*) |
| 758 | addl LITERAL(32), %esp // pop arguments |
| 759 | CFI_ADJUST_CFA_OFFSET(-32) |
| 760 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 761 | CALL_MACRO(return_macro, 2) // return or deliver exception |
| 762 | END_FUNCTION RAW_VAR(c_name, 0) |
| 763 | END_MACRO |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 764 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 765 | MACRO0(RETURN_IF_RESULT_IS_NON_ZERO) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 766 | testl %eax, %eax // eax == 0 ? |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 767 | jz 1f // if eax == 0 goto 1 |
| 768 | ret // return |
| 769 | 1: // deliver exception on current thread |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 770 | DELIVER_PENDING_EXCEPTION |
| 771 | END_MACRO |
| 772 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 773 | MACRO0(RETURN_IF_EAX_ZERO) |
| 774 | testl %eax, %eax // eax == 0 ? |
| 775 | jnz 1f // if eax != 0 goto 1 |
| 776 | ret // return |
| 777 | 1: // deliver exception on current thread |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 778 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 779 | END_MACRO |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 780 | |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 781 | MACRO0(RETURN_OR_DELIVER_PENDING_EXCEPTION) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 782 | cmpl MACRO_LITERAL(0),%fs:THREAD_EXCEPTION_OFFSET // exception field == 0 ? |
| 783 | jne 1f // if exception field != 0 goto 1 |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 784 | ret // return |
| 785 | 1: // deliver exception on current thread |
| 786 | DELIVER_PENDING_EXCEPTION |
| 787 | END_MACRO |
| 788 | |
Mathieu Chartier | 7410f29 | 2013-11-24 13:17:35 -0800 | [diff] [blame] | 789 | // Generate the allocation entrypoints for each allocator. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 790 | // TODO: use arch/quick_alloc_entrypoints.S. Currently we don't as we need to use concatenation |
| 791 | // macros to work around differences between OS/X's as and binutils as (OS/X lacks named arguments |
| 792 | // to macros and the VAR macro won't concatenate arguments properly), this also breaks having |
| 793 | // multi-line macros that use each other (hence using 1 macro per newline below). |
| 794 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(c_suffix, cxx_suffix) \ |
| 795 | TWO_ARG_DOWNCALL art_quick_alloc_object ## c_suffix, artAllocObjectFromCode ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 796 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(c_suffix, cxx_suffix) \ |
| 797 | TWO_ARG_DOWNCALL art_quick_alloc_object_resolved ## c_suffix, artAllocObjectFromCodeResolved ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
| 798 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(c_suffix, cxx_suffix) \ |
| 799 | TWO_ARG_DOWNCALL art_quick_alloc_object_initialized ## c_suffix, artAllocObjectFromCodeInitialized ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 800 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(c_suffix, cxx_suffix) \ |
| 801 | TWO_ARG_DOWNCALL art_quick_alloc_object_with_access_check ## c_suffix, artAllocObjectFromCodeWithAccessCheck ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
| 802 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(c_suffix, cxx_suffix) \ |
| 803 | THREE_ARG_DOWNCALL art_quick_alloc_array ## c_suffix, artAllocArrayFromCode ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 804 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(c_suffix, cxx_suffix) \ |
| 805 | THREE_ARG_DOWNCALL art_quick_alloc_array_resolved ## c_suffix, artAllocArrayFromCodeResolved ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 806 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(c_suffix, cxx_suffix) \ |
| 807 | THREE_ARG_DOWNCALL art_quick_alloc_array_with_access_check ## c_suffix, artAllocArrayFromCodeWithAccessCheck ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
| 808 | #define GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(c_suffix, cxx_suffix) \ |
| 809 | THREE_ARG_DOWNCALL art_quick_check_and_alloc_array ## c_suffix, artCheckAndAllocArrayFromCode ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
| 810 | #define GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(c_suffix, cxx_suffix) \ |
| 811 | THREE_ARG_DOWNCALL art_quick_check_and_alloc_array_with_access_check ## c_suffix, artCheckAndAllocArrayFromCodeWithAccessCheck ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 812 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(c_suffix, cxx_suffix) \ |
| 813 | FOUR_ARG_DOWNCALL art_quick_alloc_string_from_bytes ## c_suffix, artAllocStringFromBytesFromCode ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
| 814 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(c_suffix, cxx_suffix) \ |
| 815 | THREE_ARG_DOWNCALL art_quick_alloc_string_from_chars ## c_suffix, artAllocStringFromCharsFromCode ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
| 816 | #define GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(c_suffix, cxx_suffix) \ |
| 817 | ONE_ARG_DOWNCALL art_quick_alloc_string_from_string ## c_suffix, artAllocStringFromStringFromCode ## cxx_suffix, RETURN_IF_RESULT_IS_NON_ZERO |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 818 | |
| 819 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_dlmalloc, DlMalloc) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 820 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_dlmalloc, DlMalloc) |
| 821 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_dlmalloc, DlMalloc) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 822 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_dlmalloc, DlMalloc) |
| 823 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_dlmalloc, DlMalloc) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 824 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_dlmalloc, DlMalloc) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 825 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_dlmalloc, DlMalloc) |
| 826 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_dlmalloc, DlMalloc) |
| 827 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_dlmalloc, DlMalloc) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 828 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_dlmalloc, DlMalloc) |
| 829 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_dlmalloc, DlMalloc) |
| 830 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_dlmalloc, DlMalloc) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 831 | |
| 832 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_dlmalloc_instrumented, DlMallocInstrumented) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 833 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_dlmalloc_instrumented, DlMallocInstrumented) |
| 834 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_dlmalloc_instrumented, DlMallocInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 835 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_dlmalloc_instrumented, DlMallocInstrumented) |
| 836 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_dlmalloc_instrumented, DlMallocInstrumented) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 837 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_dlmalloc_instrumented, DlMallocInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 838 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_dlmalloc_instrumented, DlMallocInstrumented) |
| 839 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_dlmalloc_instrumented, DlMallocInstrumented) |
| 840 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_dlmalloc_instrumented, DlMallocInstrumented) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 841 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_dlmalloc_instrumented, DlMallocInstrumented) |
| 842 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_dlmalloc_instrumented, DlMallocInstrumented) |
| 843 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_dlmalloc_instrumented, DlMallocInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 844 | |
| 845 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_rosalloc, RosAlloc) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 846 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_rosalloc, RosAlloc) |
| 847 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_rosalloc, RosAlloc) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 848 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_rosalloc, RosAlloc) |
| 849 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_rosalloc, RosAlloc) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 850 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_rosalloc, RosAlloc) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 851 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_rosalloc, RosAlloc) |
| 852 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_rosalloc, RosAlloc) |
| 853 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_rosalloc, RosAlloc) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 854 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_rosalloc, RosAlloc) |
| 855 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_rosalloc, RosAlloc) |
| 856 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_rosalloc, RosAlloc) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 857 | |
| 858 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_rosalloc_instrumented, RosAllocInstrumented) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 859 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_rosalloc_instrumented, RosAllocInstrumented) |
| 860 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_rosalloc_instrumented, RosAllocInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 861 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_rosalloc_instrumented, RosAllocInstrumented) |
| 862 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_rosalloc_instrumented, RosAllocInstrumented) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 863 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_rosalloc_instrumented, RosAllocInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 864 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_rosalloc_instrumented, RosAllocInstrumented) |
| 865 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_rosalloc_instrumented, RosAllocInstrumented) |
| 866 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_rosalloc_instrumented, RosAllocInstrumented) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 867 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_rosalloc_instrumented, RosAllocInstrumented) |
| 868 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_rosalloc_instrumented, RosAllocInstrumented) |
| 869 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_rosalloc_instrumented, RosAllocInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 870 | |
| 871 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_bump_pointer, BumpPointer) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 872 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_bump_pointer, BumpPointer) |
| 873 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_bump_pointer, BumpPointer) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 874 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_bump_pointer, BumpPointer) |
| 875 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_bump_pointer, BumpPointer) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 876 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_bump_pointer, BumpPointer) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 877 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_bump_pointer, BumpPointer) |
| 878 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_bump_pointer, BumpPointer) |
| 879 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_bump_pointer, BumpPointer) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 880 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_bump_pointer, BumpPointer) |
| 881 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_bump_pointer, BumpPointer) |
| 882 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_bump_pointer, BumpPointer) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 883 | |
| 884 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_bump_pointer_instrumented, BumpPointerInstrumented) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 885 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_bump_pointer_instrumented, BumpPointerInstrumented) |
| 886 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_bump_pointer_instrumented, BumpPointerInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 887 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_bump_pointer_instrumented, BumpPointerInstrumented) |
| 888 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_bump_pointer_instrumented, BumpPointerInstrumented) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 889 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_bump_pointer_instrumented, BumpPointerInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 890 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_bump_pointer_instrumented, BumpPointerInstrumented) |
| 891 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_bump_pointer_instrumented, BumpPointerInstrumented) |
| 892 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_bump_pointer_instrumented, BumpPointerInstrumented) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 893 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_bump_pointer_instrumented, BumpPointerInstrumented) |
| 894 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_bump_pointer_instrumented, BumpPointerInstrumented) |
| 895 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_bump_pointer_instrumented, BumpPointerInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 896 | |
| 897 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_tlab, TLAB) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 898 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_tlab, TLAB) |
| 899 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_tlab, TLAB) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 900 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_tlab, TLAB) |
| 901 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_tlab, TLAB) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 902 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_tlab, TLAB) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 903 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_tlab, TLAB) |
| 904 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_tlab, TLAB) |
| 905 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_tlab, TLAB) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 906 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_tlab, TLAB) |
| 907 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_tlab, TLAB) |
| 908 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_tlab, TLAB) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 909 | |
| 910 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_tlab_instrumented, TLABInstrumented) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 911 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_tlab_instrumented, TLABInstrumented) |
| 912 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_tlab_instrumented, TLABInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 913 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_tlab_instrumented, TLABInstrumented) |
| 914 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_tlab_instrumented, TLABInstrumented) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 915 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_tlab_instrumented, TLABInstrumented) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 916 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_tlab_instrumented, TLABInstrumented) |
| 917 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_tlab_instrumented, TLABInstrumented) |
| 918 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_tlab_instrumented, TLABInstrumented) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 919 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_tlab_instrumented, TLABInstrumented) |
| 920 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_tlab_instrumented, TLABInstrumented) |
| 921 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_tlab_instrumented, TLABInstrumented) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 922 | |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 923 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_region, Region) |
| 924 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_region, Region) |
| 925 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_region, Region) |
| 926 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_region, Region) |
| 927 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_region, Region) |
| 928 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_region, Region) |
| 929 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region, Region) |
| 930 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_region, Region) |
| 931 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region, Region) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 932 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_region, Region) |
| 933 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_region, Region) |
| 934 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_region, Region) |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 935 | |
| 936 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_region_instrumented, RegionInstrumented) |
| 937 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_region_instrumented, RegionInstrumented) |
| 938 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_region_instrumented, RegionInstrumented) |
| 939 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_region_instrumented, RegionInstrumented) |
| 940 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_region_instrumented, RegionInstrumented) |
| 941 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_region_instrumented, RegionInstrumented) |
| 942 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region_instrumented, RegionInstrumented) |
| 943 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_region_instrumented, RegionInstrumented) |
| 944 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region_instrumented, RegionInstrumented) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 945 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_region_instrumented, RegionInstrumented) |
| 946 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_region_instrumented, RegionInstrumented) |
| 947 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_region_instrumented, RegionInstrumented) |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 948 | |
| 949 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_region_tlab, RegionTLAB) |
| 950 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_region_tlab, RegionTLAB) |
| 951 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_region_tlab, RegionTLAB) |
| 952 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_region_tlab, RegionTLAB) |
| 953 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_region_tlab, RegionTLAB) |
| 954 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_region_tlab, RegionTLAB) |
| 955 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region_tlab, RegionTLAB) |
| 956 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_region_tlab, RegionTLAB) |
| 957 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region_tlab, RegionTLAB) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 958 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_region_tlab, RegionTLAB) |
| 959 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_region_tlab, RegionTLAB) |
| 960 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_region_tlab, RegionTLAB) |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 961 | |
| 962 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_region_tlab_instrumented, RegionTLABInstrumented) |
| 963 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_region_tlab_instrumented, RegionTLABInstrumented) |
| 964 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_INITIALIZED(_region_tlab_instrumented, RegionTLABInstrumented) |
| 965 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_WITH_ACCESS_CHECK(_region_tlab_instrumented, RegionTLABInstrumented) |
| 966 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY(_region_tlab_instrumented, RegionTLABInstrumented) |
| 967 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_RESOLVED(_region_tlab_instrumented, RegionTLABInstrumented) |
| 968 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region_tlab_instrumented, RegionTLABInstrumented) |
| 969 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY(_region_tlab_instrumented, RegionTLABInstrumented) |
| 970 | GENERATE_ALLOC_ENTRYPOINTS_CHECK_AND_ALLOC_ARRAY_WITH_ACCESS_CHECK(_region_tlab_instrumented, RegionTLABInstrumented) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 971 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_BYTES(_region_tlab_instrumented, RegionTLABInstrumented) |
| 972 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_CHARS(_region_tlab_instrumented, RegionTLABInstrumented) |
| 973 | GENERATE_ALLOC_ENTRYPOINTS_ALLOC_STRING_FROM_STRING(_region_tlab_instrumented, RegionTLABInstrumented) |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 974 | |
Vladimir Marko | 5ea536a | 2015-04-20 20:11:30 +0100 | [diff] [blame] | 975 | ONE_ARG_DOWNCALL art_quick_resolve_string, artResolveStringFromCode, RETURN_IF_RESULT_IS_NON_ZERO |
| 976 | ONE_ARG_DOWNCALL art_quick_initialize_static_storage, artInitializeStaticStorageFromCode, RETURN_IF_RESULT_IS_NON_ZERO |
| 977 | ONE_ARG_DOWNCALL art_quick_initialize_type, artInitializeTypeFromCode, RETURN_IF_RESULT_IS_NON_ZERO |
| 978 | ONE_ARG_DOWNCALL art_quick_initialize_type_and_verify_access, artInitializeTypeAndVerifyAccessFromCode, RETURN_IF_RESULT_IS_NON_ZERO |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 979 | |
Ian Rogers | 832336b | 2014-10-08 15:35:22 -0700 | [diff] [blame] | 980 | TWO_ARG_REF_DOWNCALL art_quick_handle_fill_data, artHandleFillArrayDataFromCode, RETURN_IF_EAX_ZERO |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 981 | |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 982 | DEFINE_FUNCTION art_quick_lock_object |
| 983 | testl %eax, %eax // null check object/eax |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 984 | jz .Lslow_lock |
| 985 | .Lretry_lock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 986 | movl MIRROR_OBJECT_LOCK_WORD_OFFSET(%eax), %ecx // ecx := lock word |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 987 | test LITERAL(LOCK_WORD_STATE_MASK), %ecx // test the 2 high bits. |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 988 | jne .Lslow_lock // slow path if either of the two high bits are set. |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 989 | movl %ecx, %edx // save lock word (edx) to keep read barrier bits. |
| 990 | andl LITERAL(LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED), %ecx // zero the read barrier bits. |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 991 | test %ecx, %ecx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 992 | jnz .Lalready_thin // lock word contains a thin lock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 993 | // unlocked case - edx: original lock word, eax: obj. |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 994 | movl %eax, %ecx // remember object in case of retry |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 995 | movl %edx, %eax // eax: lock word zero except for read barrier bits. |
| 996 | movl %fs:THREAD_ID_OFFSET, %edx // load thread id. |
| 997 | or %eax, %edx // edx: thread id with count of 0 + read barrier bits. |
| 998 | lock cmpxchg %edx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%ecx) // eax: old val, edx: new val. |
| 999 | jnz .Llock_cmpxchg_fail // cmpxchg failed retry |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1000 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1001 | .Lalready_thin: // edx: lock word (with high 2 bits zero and original rb bits), eax: obj. |
| 1002 | movl %fs:THREAD_ID_OFFSET, %ecx // ecx := thread id |
Serguei Katkov | 8ef84af | 2014-04-03 15:17:26 +0700 | [diff] [blame] | 1003 | cmpw %cx, %dx // do we hold the lock already? |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1004 | jne .Lslow_lock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1005 | movl %edx, %ecx // copy the lock word to check count overflow. |
| 1006 | andl LITERAL(LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED), %ecx // zero the read barrier bits. |
| 1007 | addl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %ecx // increment recursion count for overflow check. |
| 1008 | test LITERAL(LOCK_WORD_READ_BARRIER_STATE_MASK), %ecx // overflowed if either of the upper two bits (28-29) are set. |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1009 | jne .Lslow_lock // count overflowed so go slow |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1010 | movl %eax, %ecx // save obj to use eax for cmpxchg. |
| 1011 | movl %edx, %eax // copy the lock word as the old val for cmpxchg. |
| 1012 | addl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %edx // increment recursion count again for real. |
| 1013 | // update lockword, cmpxchg necessary for read barrier bits. |
| 1014 | lock cmpxchg %edx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%ecx) // eax: old val, edx: new val. |
| 1015 | jnz .Llock_cmpxchg_fail // cmpxchg failed retry |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1016 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1017 | .Llock_cmpxchg_fail: |
| 1018 | movl %ecx, %eax // restore eax |
| 1019 | jmp .Lretry_lock |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1020 | .Lslow_lock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1021 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1022 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1023 | subl LITERAL(8), %esp // alignment padding |
| 1024 | CFI_ADJUST_CFA_OFFSET(8) |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1025 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1026 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1027 | PUSH eax // pass object |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1028 | call SYMBOL(artLockObjectFromCode) // artLockObjectFromCode(object, Thread*) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1029 | addl LITERAL(16), %esp // pop arguments |
| 1030 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1031 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1032 | RETURN_IF_EAX_ZERO |
| 1033 | END_FUNCTION art_quick_lock_object |
| 1034 | |
| 1035 | DEFINE_FUNCTION art_quick_unlock_object |
| 1036 | testl %eax, %eax // null check object/eax |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1037 | jz .Lslow_unlock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1038 | .Lretry_unlock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1039 | movl MIRROR_OBJECT_LOCK_WORD_OFFSET(%eax), %ecx // ecx := lock word |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1040 | movl %fs:THREAD_ID_OFFSET, %edx // edx := thread id |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1041 | test LITERAL(LOCK_WORD_STATE_MASK), %ecx |
Serguei Katkov | e78d4e1 | 2014-04-07 10:14:08 +0700 | [diff] [blame] | 1042 | jnz .Lslow_unlock // lock word contains a monitor |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1043 | cmpw %cx, %dx // does the thread id match? |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1044 | jne .Lslow_unlock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1045 | movl %ecx, %edx // copy the lock word to detect new count of 0. |
| 1046 | andl LITERAL(LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED), %edx // zero the read barrier bits. |
| 1047 | cmpl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %edx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1048 | jae .Lrecursive_thin_unlock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1049 | // update lockword, cmpxchg necessary for read barrier bits. |
| 1050 | movl %eax, %edx // edx: obj |
| 1051 | movl %ecx, %eax // eax: old lock word. |
| 1052 | andl LITERAL(LOCK_WORD_READ_BARRIER_STATE_MASK), %ecx // ecx: new lock word zero except original rb bits. |
| 1053 | #ifndef USE_READ_BARRIER |
| 1054 | movl %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) |
| 1055 | #else |
| 1056 | lock cmpxchg %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) // eax: old val, ecx: new val. |
| 1057 | jnz .Lunlock_cmpxchg_fail // cmpxchg failed retry |
| 1058 | #endif |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1059 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1060 | .Lrecursive_thin_unlock: // ecx: original lock word, eax: obj |
| 1061 | // update lockword, cmpxchg necessary for read barrier bits. |
| 1062 | movl %eax, %edx // edx: obj |
| 1063 | movl %ecx, %eax // eax: old lock word. |
| 1064 | subl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %ecx // ecx: new lock word with decremented count. |
| 1065 | #ifndef USE_READ_BARRIER |
| 1066 | mov %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) |
| 1067 | #else |
| 1068 | lock cmpxchg %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) // eax: old val, ecx: new val. |
| 1069 | jnz .Lunlock_cmpxchg_fail // cmpxchg failed retry |
| 1070 | #endif |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1071 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1072 | .Lunlock_cmpxchg_fail: // edx: obj |
| 1073 | movl %edx, %eax // restore eax |
| 1074 | jmp .Lretry_unlock |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1075 | .Lslow_unlock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1076 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1077 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1078 | subl LITERAL(8), %esp // alignment padding |
| 1079 | CFI_ADJUST_CFA_OFFSET(8) |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1080 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1081 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1082 | PUSH eax // pass object |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1083 | call SYMBOL(artUnlockObjectFromCode) // artUnlockObjectFromCode(object, Thread*) |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1084 | addl LITERAL(16), %esp // pop arguments |
| 1085 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1086 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1087 | RETURN_IF_EAX_ZERO |
| 1088 | END_FUNCTION art_quick_unlock_object |
| 1089 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1090 | DEFINE_FUNCTION art_quick_is_assignable |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1091 | PUSH eax // alignment padding |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1092 | PUSH ecx // pass arg2 - obj->klass |
| 1093 | PUSH eax // pass arg1 - checked class |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1094 | call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1095 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1096 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1097 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1098 | END_FUNCTION art_quick_is_assignable |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1099 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1100 | DEFINE_FUNCTION art_quick_check_cast |
| 1101 | PUSH eax // alignment padding |
| 1102 | PUSH ecx // pass arg2 - obj->klass |
| 1103 | PUSH eax // pass arg1 - checked class |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1104 | call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1105 | testl %eax, %eax |
| 1106 | jz 1f // jump forward if not assignable |
| 1107 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1108 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1109 | ret |
| 1110 | 1: |
| 1111 | POP eax // pop arguments |
| 1112 | POP ecx |
| 1113 | addl LITERAL(4), %esp |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1114 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1115 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1116 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1117 | PUSH eax // alignment padding |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1118 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1119 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1120 | PUSH ecx // pass arg2 |
| 1121 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1122 | call SYMBOL(artThrowClassCastException) // (Class* a, Class* b, Thread*) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1123 | int3 // unreached |
| 1124 | END_FUNCTION art_quick_check_cast |
| 1125 | |
| 1126 | /* |
| 1127 | * Entry from managed code for array put operations of objects where the value being stored |
| 1128 | * needs to be checked for compatibility. |
| 1129 | * eax = array, ecx = index, edx = value |
| 1130 | */ |
| 1131 | DEFINE_FUNCTION art_quick_aput_obj_with_null_and_bound_check |
| 1132 | testl %eax, %eax |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1133 | jnz SYMBOL(art_quick_aput_obj_with_bound_check) |
| 1134 | jmp SYMBOL(art_quick_throw_null_pointer_exception) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1135 | END_FUNCTION art_quick_aput_obj_with_null_and_bound_check |
| 1136 | |
| 1137 | DEFINE_FUNCTION art_quick_aput_obj_with_bound_check |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1138 | movl MIRROR_ARRAY_LENGTH_OFFSET(%eax), %ebx |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1139 | cmpl %ebx, %ecx |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1140 | jb SYMBOL(art_quick_aput_obj) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1141 | mov %ecx, %eax |
| 1142 | mov %ebx, %ecx |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1143 | jmp SYMBOL(art_quick_throw_array_bounds) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1144 | END_FUNCTION art_quick_aput_obj_with_bound_check |
| 1145 | |
| 1146 | DEFINE_FUNCTION art_quick_aput_obj |
| 1147 | test %edx, %edx // store of null |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1148 | jz .Ldo_aput_null |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1149 | movl MIRROR_OBJECT_CLASS_OFFSET(%eax), %ebx |
| 1150 | movl MIRROR_CLASS_COMPONENT_TYPE_OFFSET(%ebx), %ebx |
| 1151 | // value's type == array's component type - trivial assignability |
| 1152 | cmpl MIRROR_OBJECT_CLASS_OFFSET(%edx), %ebx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1153 | jne .Lcheck_assignability |
| 1154 | .Ldo_aput: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1155 | movl %edx, MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1156 | movl %fs:THREAD_CARD_TABLE_OFFSET, %edx |
| 1157 | shrl LITERAL(7), %eax |
| 1158 | movb %dl, (%edx, %eax) |
| 1159 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1160 | .Ldo_aput_null: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1161 | movl %edx, MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1162 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1163 | .Lcheck_assignability: |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1164 | PUSH eax // save arguments |
| 1165 | PUSH ecx |
| 1166 | PUSH edx |
| 1167 | subl LITERAL(8), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1168 | CFI_ADJUST_CFA_OFFSET(8) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1169 | pushl MIRROR_OBJECT_CLASS_OFFSET(%edx) // pass arg2 - type of the value to be stored |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1170 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1171 | PUSH ebx // pass arg1 - component type of the array |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1172 | call SYMBOL(artIsAssignableFromCode) // (Class* a, Class* b) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1173 | addl LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1174 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1175 | testl %eax, %eax |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1176 | jz .Lthrow_array_store_exception |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1177 | POP edx |
| 1178 | POP ecx |
| 1179 | POP eax |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1180 | movl %edx, MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) // do the aput |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1181 | movl %fs:THREAD_CARD_TABLE_OFFSET, %edx |
| 1182 | shrl LITERAL(7), %eax |
| 1183 | movb %dl, (%edx, %eax) |
| 1184 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1185 | .Lthrow_array_store_exception: |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1186 | POP edx |
| 1187 | POP ecx |
| 1188 | POP eax |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1189 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1190 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1191 | PUSH eax // alignment padding |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1192 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1193 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1194 | PUSH edx // pass arg2 - value |
| 1195 | PUSH eax // pass arg1 - array |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1196 | call SYMBOL(artThrowArrayStoreException) // (array, value, Thread*) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1197 | int3 // unreached |
| 1198 | END_FUNCTION art_quick_aput_obj |
| 1199 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1200 | DEFINE_FUNCTION art_quick_memcpy |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1201 | SETUP_GOT_NOSAVE ebx // clobbers EBX |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1202 | PUSH edx // pass arg3 |
| 1203 | PUSH ecx // pass arg2 |
| 1204 | PUSH eax // pass arg1 |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1205 | call PLT_SYMBOL(memcpy) // (void*, const void*, size_t) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1206 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1207 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1208 | ret |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1209 | END_FUNCTION art_quick_memcpy |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1210 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1211 | NO_ARG_DOWNCALL art_quick_test_suspend, artTestSuspendFromCode, ret |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1212 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1213 | DEFINE_FUNCTION art_quick_d2l |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1214 | subl LITERAL(12), %esp // alignment padding, room for argument |
| 1215 | CFI_ADJUST_CFA_OFFSET(12) |
| 1216 | movsd %xmm0, 0(%esp) // arg a |
| 1217 | call SYMBOL(art_d2l) // (jdouble a) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1218 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1219 | CFI_ADJUST_CFA_OFFSET(-12) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1220 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1221 | END_FUNCTION art_quick_d2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1222 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1223 | DEFINE_FUNCTION art_quick_f2l |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1224 | subl LITERAL(12), %esp // alignment padding |
| 1225 | CFI_ADJUST_CFA_OFFSET(12) |
| 1226 | movss %xmm0, 0(%esp) // arg a |
| 1227 | call SYMBOL(art_f2l) // (jfloat a) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1228 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1229 | CFI_ADJUST_CFA_OFFSET(-12) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1230 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1231 | END_FUNCTION art_quick_f2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1232 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1233 | DEFINE_FUNCTION art_quick_ldiv |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1234 | subl LITERAL(12), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1235 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1236 | PUSH ebx // pass arg4 b.hi |
| 1237 | PUSH edx // pass arg3 b.lo |
| 1238 | PUSH ecx // pass arg2 a.hi |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1239 | PUSH eax // pass arg1 a.lo |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1240 | call SYMBOL(artLdiv) // (jlong a, jlong b) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1241 | addl LITERAL(28), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1242 | CFI_ADJUST_CFA_OFFSET(-28) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1243 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1244 | END_FUNCTION art_quick_ldiv |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1245 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1246 | DEFINE_FUNCTION art_quick_lmod |
| 1247 | subl LITERAL(12), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1248 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1249 | PUSH ebx // pass arg4 b.hi |
| 1250 | PUSH edx // pass arg3 b.lo |
| 1251 | PUSH ecx // pass arg2 a.hi |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1252 | PUSH eax // pass arg1 a.lo |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1253 | call SYMBOL(artLmod) // (jlong a, jlong b) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1254 | addl LITERAL(28), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1255 | CFI_ADJUST_CFA_OFFSET(-28) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1256 | ret |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1257 | END_FUNCTION art_quick_lmod |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1258 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1259 | DEFINE_FUNCTION art_quick_lmul |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 1260 | imul %eax, %ebx // ebx = a.lo(eax) * b.hi(ebx) |
| 1261 | imul %edx, %ecx // ecx = b.lo(edx) * a.hi(ecx) |
| 1262 | mul %edx // edx:eax = a.lo(eax) * b.lo(edx) |
| 1263 | add %ebx, %ecx |
| 1264 | add %ecx, %edx // edx += (a.lo * b.hi) + (b.lo * a.hi) |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1265 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1266 | END_FUNCTION art_quick_lmul |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1267 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1268 | DEFINE_FUNCTION art_quick_lshl |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1269 | // ecx:eax << edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1270 | xchg %edx, %ecx |
| 1271 | shld %cl,%eax,%edx |
| 1272 | shl %cl,%eax |
| 1273 | test LITERAL(32), %cl |
| 1274 | jz 1f |
| 1275 | mov %eax, %edx |
| 1276 | xor %eax, %eax |
| 1277 | 1: |
| 1278 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1279 | END_FUNCTION art_quick_lshl |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1280 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1281 | DEFINE_FUNCTION art_quick_lshr |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1282 | // ecx:eax >> edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1283 | xchg %edx, %ecx |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1284 | shrd %cl,%edx,%eax |
| 1285 | sar %cl,%edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1286 | test LITERAL(32),%cl |
| 1287 | jz 1f |
jeffhao | 5121e0b | 2012-05-08 18:23:38 -0700 | [diff] [blame] | 1288 | mov %edx, %eax |
| 1289 | sar LITERAL(31), %edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1290 | 1: |
| 1291 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1292 | END_FUNCTION art_quick_lshr |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1293 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1294 | DEFINE_FUNCTION art_quick_lushr |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1295 | // ecx:eax >>> edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1296 | xchg %edx, %ecx |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1297 | shrd %cl,%edx,%eax |
| 1298 | shr %cl,%edx |
| 1299 | test LITERAL(32),%cl |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1300 | jz 1f |
jeffhao | 5121e0b | 2012-05-08 18:23:38 -0700 | [diff] [blame] | 1301 | mov %edx, %eax |
| 1302 | xor %edx, %edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1303 | 1: |
| 1304 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1305 | END_FUNCTION art_quick_lushr |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1306 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1307 | ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1308 | ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1309 | ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1310 | ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1311 | ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1312 | ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1313 | ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1314 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1315 | TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1316 | TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1317 | TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1318 | TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1319 | TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1320 | TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1321 | TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1322 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1323 | TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCode, RETURN_IF_EAX_ZERO |
| 1324 | TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCode, RETURN_IF_EAX_ZERO |
| 1325 | TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCode, RETURN_IF_EAX_ZERO |
| 1326 | TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCode, RETURN_IF_EAX_ZERO |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1327 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1328 | THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCode, RETURN_IF_EAX_ZERO |
| 1329 | THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCode, RETURN_IF_EAX_ZERO |
| 1330 | THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCode, RETURN_IF_EAX_ZERO |
| 1331 | THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCode, RETURN_IF_EAX_ZERO |
| 1332 | |
| 1333 | // Call artSet64InstanceFromCode with 4 word size arguments and the referrer. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1334 | DEFINE_FUNCTION art_quick_set64_instance |
Serguei Katkov | e0b46a7 | 2014-11-05 16:13:18 +0600 | [diff] [blame] | 1335 | movd %ebx, %xmm0 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1336 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Serguei Katkov | e0b46a7 | 2014-11-05 16:13:18 +0600 | [diff] [blame] | 1337 | movd %xmm0, %ebx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1338 | // Outgoing argument set up |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 1339 | subl LITERAL(8), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1340 | CFI_ADJUST_CFA_OFFSET(8) |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1341 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1342 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1343 | pushl (FRAME_SIZE_REFS_ONLY_CALLEE_SAVE+12)(%esp) // pass referrer |
| 1344 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1345 | PUSH ebx // pass high half of new_val |
| 1346 | PUSH edx // pass low half of new_val |
| 1347 | PUSH ecx // pass object |
| 1348 | PUSH eax // pass field_idx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1349 | call SYMBOL(artSet64InstanceFromCode) // (field_idx, Object*, new_val, referrer, Thread*) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 1350 | addl LITERAL(32), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1351 | CFI_ADJUST_CFA_OFFSET(-32) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1352 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1353 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1354 | END_FUNCTION art_quick_set64_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1355 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1356 | // Call artSet64StaticFromCode with 3 word size arguments plus with the referrer in the 2nd position |
| 1357 | // so that new_val is aligned on even registers were we passing arguments in registers. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1358 | DEFINE_FUNCTION art_quick_set64_static |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1359 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 1360 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %ebx // get referrer |
| 1361 | subl LITERAL(12), %esp // alignment padding |
| 1362 | CFI_ADJUST_CFA_OFFSET(12) |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1363 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1364 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1365 | PUSH edx // pass high half of new_val |
| 1366 | PUSH ecx // pass low half of new_val |
| 1367 | PUSH ebx // pass referrer |
| 1368 | PUSH eax // pass field_idx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1369 | call SYMBOL(artSet64StaticFromCode) // (field_idx, referrer, new_val, Thread*) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 1370 | addl LITERAL(32), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1371 | CFI_ADJUST_CFA_OFFSET(-32) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1372 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1373 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1374 | END_FUNCTION art_quick_set64_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1375 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1376 | DEFINE_FUNCTION art_quick_proxy_invoke_handler |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1377 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME_WITH_METHOD_IN_EAX |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1378 | PUSH esp // pass SP |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 1379 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1380 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1381 | PUSH ecx // pass receiver |
| 1382 | PUSH eax // pass proxy method |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1383 | call SYMBOL(artQuickProxyInvokeHandler) // (proxy method, receiver, Thread*, SP) |
Ian Rogers | af6e67a | 2013-01-16 08:38:37 -0800 | [diff] [blame] | 1384 | movd %eax, %xmm0 // place return value also into floating point return value |
| 1385 | movd %edx, %xmm1 |
| 1386 | punpckldq %xmm1, %xmm0 |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1387 | addl LITERAL(76), %esp // pop arguments |
| 1388 | CFI_ADJUST_CFA_OFFSET(-76) |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 1389 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1390 | END_FUNCTION art_quick_proxy_invoke_handler |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1391 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1392 | /* |
| 1393 | * Called to resolve an imt conflict. xmm0 is a hidden argument that holds the target method's |
| 1394 | * dex method index. |
| 1395 | */ |
| 1396 | DEFINE_FUNCTION art_quick_imt_conflict_trampoline |
| 1397 | PUSH ecx |
| 1398 | movl 8(%esp), %eax // load caller Method* |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1399 | movl MIRROR_ART_METHOD_DEX_CACHE_METHODS_OFFSET(%eax), %eax // load dex_cache_resolved_methods |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1400 | movd %xmm7, %ecx // get target method index stored in xmm0 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1401 | movl MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4), %eax // load the target method |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1402 | POP ecx |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1403 | jmp SYMBOL(art_quick_invoke_interface_trampoline) |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1404 | END_FUNCTION art_quick_imt_conflict_trampoline |
| 1405 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1406 | DEFINE_FUNCTION art_quick_resolution_trampoline |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1407 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, ebx |
Tong Shen | 35e1e6a | 2014-07-30 09:31:22 -0700 | [diff] [blame] | 1408 | movl %esp, %edi |
| 1409 | PUSH EDI // pass SP. do not just PUSH ESP; that messes up unwinding |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1410 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1411 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1412 | PUSH ecx // pass receiver |
| 1413 | PUSH eax // pass method |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1414 | call SYMBOL(artQuickResolutionTrampoline) // (Method* called, receiver, Thread*, SP) |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1415 | movl %eax, %edi // remember code pointer in EDI |
| 1416 | addl LITERAL(16), %esp // pop arguments |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1417 | test %eax, %eax // if code pointer is null goto deliver pending exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1418 | jz 1f |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1419 | RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME_AND_JUMP |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1420 | 1: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1421 | RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1422 | DELIVER_PENDING_EXCEPTION |
| 1423 | END_FUNCTION art_quick_resolution_trampoline |
| 1424 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1425 | DEFINE_FUNCTION art_quick_generic_jni_trampoline |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1426 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME_WITH_METHOD_IN_EAX |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1427 | movl %esp, %ebp // save SP at callee-save frame |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1428 | CFI_DEF_CFA_REGISTER(ebp) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1429 | subl LITERAL(5120), %esp |
| 1430 | // prepare for artQuickGenericJniTrampoline call |
| 1431 | // (Thread*, SP) |
| 1432 | // (esp) 4(esp) <= C calling convention |
| 1433 | // fs:... ebp <= where they are |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1434 | |
| 1435 | subl LITERAL(8), %esp // Padding for 16B alignment. |
| 1436 | pushl %ebp // Pass SP (to ArtMethod). |
| 1437 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1438 | call SYMBOL(artQuickGenericJniTrampoline) // (Thread*, sp) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1439 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1440 | // The C call will have registered the complete save-frame on success. |
| 1441 | // The result of the call is: |
| 1442 | // eax: pointer to native code, 0 on error. |
| 1443 | // edx: pointer to the bottom of the used area of the alloca, can restore stack till there. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1444 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1445 | // Check for error = 0. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1446 | test %eax, %eax |
Nicolas Geoffray | 126d659 | 2015-03-03 14:28:35 +0000 | [diff] [blame] | 1447 | jz .Lexception_in_native |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1448 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1449 | // Release part of the alloca. |
| 1450 | movl %edx, %esp |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1451 | |
| 1452 | // On x86 there are no registers passed, so nothing to pop here. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1453 | // Native call. |
| 1454 | call *%eax |
| 1455 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1456 | // result sign extension is handled in C code |
| 1457 | // prepare for artQuickGenericJniEndTrampoline call |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1458 | // (Thread*, result, result_f) |
| 1459 | // (esp) 4(esp) 12(esp) <= C calling convention |
Nicolas Geoffray | 54accbc | 2014-08-13 03:40:45 +0100 | [diff] [blame] | 1460 | // fs:... eax:edx fp0 <= where they are |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1461 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1462 | subl LITERAL(20), %esp // Padding & pass float result. |
Nicolas Geoffray | 54accbc | 2014-08-13 03:40:45 +0100 | [diff] [blame] | 1463 | fstpl (%esp) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1464 | pushl %edx // Pass int result. |
| 1465 | pushl %eax |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1466 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1467 | call SYMBOL(artQuickGenericJniEndTrampoline) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1468 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1469 | // Pending exceptions possible. |
| 1470 | mov %fs:THREAD_EXCEPTION_OFFSET, %ebx |
| 1471 | testl %ebx, %ebx |
| 1472 | jnz .Lexception_in_native |
| 1473 | |
Nicolas Geoffray | 126d659 | 2015-03-03 14:28:35 +0000 | [diff] [blame] | 1474 | // Tear down the alloca. |
| 1475 | movl %ebp, %esp |
| 1476 | CFI_DEF_CFA_REGISTER(esp) |
| 1477 | |
| 1478 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1479 | // Tear down the callee-save frame. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1480 | // Remove space for FPR args and EAX |
| 1481 | addl LITERAL(4 + 4 * 8), %esp |
| 1482 | CFI_ADJUST_CFA_OFFSET(-(4 + 4 * 8)) |
| 1483 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1484 | POP ecx |
Ian Rogers | e3d5581 | 2014-06-11 13:00:44 -0700 | [diff] [blame] | 1485 | addl LITERAL(4), %esp // Avoid edx, as it may be part of the result. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1486 | CFI_ADJUST_CFA_OFFSET(-4) |
| 1487 | POP ebx |
| 1488 | POP ebp // Restore callee saves |
| 1489 | POP esi |
| 1490 | POP edi |
Nicolas Geoffray | 54accbc | 2014-08-13 03:40:45 +0100 | [diff] [blame] | 1491 | // Quick expects the return value to be in xmm0. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1492 | movd %eax, %xmm0 |
| 1493 | movd %edx, %xmm1 |
| 1494 | punpckldq %xmm1, %xmm0 |
| 1495 | ret |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1496 | .Lexception_in_native: |
Nicolas Geoffray | 126d659 | 2015-03-03 14:28:35 +0000 | [diff] [blame] | 1497 | movl %fs:THREAD_TOP_QUICK_FRAME_OFFSET, %esp |
| 1498 | // Do a call to push a new save-all frame required by the runtime. |
| 1499 | call .Lexception_call |
| 1500 | .Lexception_call: |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1501 | DELIVER_PENDING_EXCEPTION |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 1502 | END_FUNCTION art_quick_generic_jni_trampoline |
| 1503 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1504 | DEFINE_FUNCTION art_quick_to_interpreter_bridge |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1505 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, ebx // save frame |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1506 | mov %esp, %edx // remember SP |
| 1507 | PUSH eax // alignment padding |
| 1508 | PUSH edx // pass SP |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1509 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1510 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1511 | PUSH eax // pass method |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1512 | call SYMBOL(artQuickToInterpreterBridge) // (method, Thread*, SP) |
Vladimir Marko | 949c91f | 2015-01-27 10:48:44 +0000 | [diff] [blame] | 1513 | addl LITERAL(16), %esp // pop arguments |
| 1514 | CFI_ADJUST_CFA_OFFSET(-16) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1515 | |
| 1516 | // Return eax:edx in xmm0 also. |
| 1517 | movd %eax, %xmm0 |
| 1518 | movd %edx, %xmm1 |
| 1519 | punpckldq %xmm1, %xmm0 |
| 1520 | |
| 1521 | addl LITERAL(48), %esp // Remove FPRs and EAX, ECX, EDX, EBX. |
| 1522 | CFI_ADJUST_CFA_OFFSET(-48) |
| 1523 | |
| 1524 | POP ebp // Restore callee saves |
| 1525 | POP esi |
| 1526 | POP edi |
| 1527 | |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1528 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1529 | END_FUNCTION art_quick_to_interpreter_bridge |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1530 | |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1531 | /* |
| 1532 | * Routine that intercepts method calls and returns. |
| 1533 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1534 | DEFINE_FUNCTION art_quick_instrumentation_entry |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1535 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, edx |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1536 | PUSH eax // Save eax which will be clobbered by the callee-save method. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1537 | subl LITERAL(12), %esp // Align stack. |
| 1538 | CFI_ADJUST_CFA_OFFSET(12) |
Sebastien Hertz | 32b12f8 | 2014-11-17 12:46:27 +0100 | [diff] [blame] | 1539 | pushl FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE-4+16(%esp) // Pass LR. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1540 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1541 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1542 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1543 | PUSH ecx // Pass receiver. |
| 1544 | PUSH eax // Pass Method*. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1545 | call SYMBOL(artInstrumentationMethodEntryFromCode) // (Method*, Object*, Thread*, LR) |
Elliott Hughes | 7ac7e32 | 2014-06-27 17:20:59 -0700 | [diff] [blame] | 1546 | addl LITERAL(28), %esp // Pop arguments upto saved Method*. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1547 | movl 60(%esp), %edi // Restore edi. |
| 1548 | movl %eax, 60(%esp) // Place code* over edi, just under return pc. |
Elliott Hughes | 7ac7e32 | 2014-06-27 17:20:59 -0700 | [diff] [blame] | 1549 | movl SYMBOL(art_quick_instrumentation_exit)@GOT(%ebx), %ebx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1550 | // Place instrumentation exit as return pc. ebx holds the GOT computed on entry. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1551 | movl %ebx, 64(%esp) |
| 1552 | movl 0(%esp), %eax // Restore eax. |
| 1553 | // Restore FPRs (extra 4 bytes of offset due to EAX push at top). |
| 1554 | movsd 8(%esp), %xmm0 |
| 1555 | movsd 16(%esp), %xmm1 |
| 1556 | movsd 24(%esp), %xmm2 |
| 1557 | movsd 32(%esp), %xmm3 |
| 1558 | |
| 1559 | // Restore GPRs. |
| 1560 | movl 40(%esp), %ecx // Restore ecx. |
Sebastien Hertz | f551d1b | 2015-02-19 10:30:48 +0100 | [diff] [blame] | 1561 | movl 44(%esp), %edx // Restore edx. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1562 | movl 48(%esp), %ebx // Restore ebx. |
| 1563 | movl 52(%esp), %ebp // Restore ebp. |
| 1564 | movl 56(%esp), %esi // Restore esi. |
| 1565 | addl LITERAL(60), %esp // Wind stack back upto code*. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1566 | ret // Call method (and pop). |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1567 | END_FUNCTION art_quick_instrumentation_entry |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1568 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1569 | DEFINE_FUNCTION art_quick_instrumentation_exit |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1570 | pushl LITERAL(0) // Push a fake return PC as there will be none on the stack. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1571 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1572 | mov %esp, %ecx // Remember SP |
| 1573 | subl LITERAL(8), %esp // Save float return value. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1574 | CFI_ADJUST_CFA_OFFSET(8) |
Andreas Gampe | fea2901 | 2014-07-23 10:05:02 -0700 | [diff] [blame] | 1575 | movq %xmm0, (%esp) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1576 | PUSH edx // Save gpr return value. |
| 1577 | PUSH eax |
Jeff Hao | cf2e7b0 | 2014-07-22 18:38:42 -0700 | [diff] [blame] | 1578 | subl LITERAL(16), %esp // Align stack |
| 1579 | CFI_ADJUST_CFA_OFFSET(16) |
Andreas Gampe | fea2901 | 2014-07-23 10:05:02 -0700 | [diff] [blame] | 1580 | movq %xmm0, (%esp) // Pass float return value. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1581 | PUSH edx // Pass gpr return value. |
| 1582 | PUSH eax |
| 1583 | PUSH ecx // Pass SP. |
| 1584 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1585 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1586 | call SYMBOL(artInstrumentationMethodExitFromCode) // (Thread*, SP, gpr_result, fpr_result) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1587 | mov %eax, %ecx // Move returned link register. |
| 1588 | addl LITERAL(32), %esp // Pop arguments. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1589 | CFI_ADJUST_CFA_OFFSET(-32) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1590 | movl %edx, %ebx // Move returned link register for deopt |
| 1591 | // (ebx is pretending to be our LR). |
| 1592 | POP eax // Restore gpr return value. |
| 1593 | POP edx |
Andreas Gampe | fea2901 | 2014-07-23 10:05:02 -0700 | [diff] [blame] | 1594 | movq (%esp), %xmm0 // Restore fpr return value. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1595 | addl LITERAL(8), %esp |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1596 | CFI_ADJUST_CFA_OFFSET(-8) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1597 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1598 | addl LITERAL(4), %esp // Remove fake return pc. |
| 1599 | jmp *%ecx // Return. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1600 | END_FUNCTION art_quick_instrumentation_exit |
jeffhao | 162fd33 | 2013-01-08 16:21:01 -0800 | [diff] [blame] | 1601 | |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1602 | /* |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1603 | * Instrumentation has requested that we deoptimize into the interpreter. The deoptimization |
| 1604 | * will long jump to the upcall with a special exception of -1. |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1605 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1606 | DEFINE_FUNCTION art_quick_deoptimize |
Mingyao Yang | d43b3ac | 2015-04-01 14:03:04 -0700 | [diff] [blame] | 1607 | pushl %ebx // Entry point for a jump. Fake that we were called. |
| 1608 | .globl SYMBOL(art_quick_deoptimize_from_compiled_slow_path) // Entry point for real calls |
| 1609 | // from compiled slow paths. |
| 1610 | SYMBOL(art_quick_deoptimize_from_compiled_slow_path): |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1611 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx |
| 1612 | subl LITERAL(12), %esp // Align stack. |
| 1613 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1614 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1615 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1616 | call SYMBOL(artDeoptimize) // artDeoptimize(Thread*) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1617 | int3 // Unreachable. |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1618 | END_FUNCTION art_quick_deoptimize |
jeffhao | 162fd33 | 2013-01-08 16:21:01 -0800 | [diff] [blame] | 1619 | |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1620 | /* |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1621 | * String's compareTo. |
| 1622 | * |
| 1623 | * On entry: |
| 1624 | * eax: this string object (known non-null) |
| 1625 | * ecx: comp string object (known non-null) |
| 1626 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1627 | DEFINE_FUNCTION art_quick_string_compareto |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1628 | PUSH esi // push callee save reg |
| 1629 | PUSH edi // push callee save reg |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1630 | mov MIRROR_STRING_COUNT_OFFSET(%eax), %edx |
| 1631 | mov MIRROR_STRING_COUNT_OFFSET(%ecx), %ebx |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame^] | 1632 | lea MIRROR_STRING_VALUE_OFFSET(%eax), %esi |
| 1633 | lea MIRROR_STRING_VALUE_OFFSET(%ecx), %edi |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1634 | /* Calculate min length and count diff */ |
| 1635 | mov %edx, %ecx |
| 1636 | mov %edx, %eax |
| 1637 | subl %ebx, %eax |
| 1638 | cmovg %ebx, %ecx |
| 1639 | /* |
| 1640 | * At this point we have: |
| 1641 | * eax: value to return if first part of strings are equal |
| 1642 | * ecx: minimum among the lengths of the two strings |
| 1643 | * esi: pointer to this string data |
| 1644 | * edi: pointer to comp string data |
| 1645 | */ |
Alexei Zavjalov | 4554bfd | 2014-02-26 17:28:35 +0700 | [diff] [blame] | 1646 | jecxz .Lkeep_length |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1647 | repe cmpsw // find nonmatching chars in [%esi] and [%edi], up to length %ecx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1648 | jne .Lnot_equal |
Alexei Zavjalov | 4554bfd | 2014-02-26 17:28:35 +0700 | [diff] [blame] | 1649 | .Lkeep_length: |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1650 | POP edi // pop callee save reg |
| 1651 | POP esi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1652 | ret |
| 1653 | .balign 16 |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1654 | .Lnot_equal: |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 1655 | movzwl -2(%esi), %eax // get last compared char from this string |
| 1656 | movzwl -2(%edi), %ecx // get last compared char from comp string |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1657 | subl %ecx, %eax // return the difference |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1658 | POP edi // pop callee save reg |
| 1659 | POP esi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1660 | ret |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1661 | END_FUNCTION art_quick_string_compareto |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1662 | |
Dave Allison | 8ce6b90 | 2014-08-26 11:07:58 -0700 | [diff] [blame] | 1663 | // Return from a nested signal: |
| 1664 | // Entry: |
| 1665 | // eax: address of jmp_buf in TLS |
| 1666 | |
| 1667 | DEFINE_FUNCTION art_nested_signal_return |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1668 | SETUP_GOT_NOSAVE ebx // sets %ebx for call into PLT |
Dave Allison | 8ce6b90 | 2014-08-26 11:07:58 -0700 | [diff] [blame] | 1669 | movl LITERAL(1), %ecx |
| 1670 | pushl %ecx // second arg to longjmp (1) |
| 1671 | pushl %eax // first arg to longjmp (jmp_buf) |
| 1672 | call PLT_SYMBOL(longjmp) |
| 1673 | int3 // won't get here. |
| 1674 | END_FUNCTION art_nested_signal_return |
| 1675 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 1676 | // TODO: implement these! |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1677 | UNIMPLEMENTED art_quick_memcmp16 |